328402190 has 8 divisors (see below), whose sum is σ = 591123960. Its totient is φ = 131360872.

The previous prime is 328402183. The next prime is 328402229. The reversal of 328402190 is 91204823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×328402190² = 215695996793592200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16420100 + ... + 16420119.

It is an arithmetic number, because the mean of its divisors is an integer number (73890495).

Almost surely, 2^328402190 is an apocalyptic number.

328402190 is a deficient number, since it is larger than the sum of its proper divisors (262721770).

328402190 is a wasteful number, since it uses less digits than its factorization.

328402190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32840226.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 328402190 is about 18121.8704884457. The cubic root of 328402190 is about 689.9252106854.

The spelling of 328402190 in words is "three hundred twenty-eight million, four hundred two thousand, one hundred ninety".